Some mack leu trucks were built between 08/15/201211/05/2012, with an inversion valve installed instead...
Mack technical service bulletin PI 0844 for 2013 Mack Leu.
- Bulletin number
- PI 0844
- Component
- Service brakes
- Summary
- Some mack leu trucks were built between 08/15/201211/05/2012, with an inversion valve installed instead of a pressure reducing valve for the work brake system. The existing inversion valve (part number 21007503) may cause maximum brake system pressure while applying the trucks work brake.
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